2017 Lexus RX350 problems & reliability
46 owner complaints filed with NHTSA for the 2017 Lexus RX350, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (2 injured, 1 deaths reported).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Service Brakes | 9 | 20% |
| Fuel/propulsion System | 8 | 17% |
| Unknown OR Other | 8 | 17% |
| Engine | 6 | 13% |
| Power Train | 6 | 13% |
| Vehicle Speed Control | 6 | 13% |
| Air Bags | 4 | 9% |
| Electrical System | 4 | 9% |
| Forward Collision Avoidance | 3 | 7% |
| Visibility/wiper | 3 | 7% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 9,700 miles (middle 50% between 4,400 and 24,900 miles), based on 35 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2017 Lexus RX350. The contact stated that upon a cold start, an abnormal knocking sound was coming from the right side of the engine without warning. The contact stated that the knocking noise became louder upon shifting gear but would cease once the engine was warmed up. The contact also noted that…”
Service Brakes, Hydraulic · filed Mar 21, 2023
“The contact owns a 2017 Lexus RX350. The contact stated that while driving at various speeds, the vehicle hesitated upon depression of the accelerator pedal, without warning. The contact had taken the vehicle to the dealer and was informed that the vacuum pump was defective and needed to be replaced. Upon…”
Service Brakes, Hydraulic · filed Nov 14, 2022
“The contact owns a 2017 Lexus RX350. The contact stated that while driving approximately 60 MPH, the glass sunroof suddenly exploded causing shards of glass to fall into the cabin of the vehicle onto the driver. The contact indicated that no object had struck the sunroof to cause the glass to shatter. No injuries were…”
Visibility · filed Nov 29, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
165 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2017 Lexus RX350. The 10 most recent:
SPOC: Effective immediately, Lexus is issuing a stop sale on part numbers 85212-YZZ2L-LX & 85212-YZZ2M-LX, which may have a quality concern relating to a missing kit component (mispack). Lexus is requesting the return…
Bulletin · Service Bulletin/Repair Instructions · issued May 15, 2023
DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. The settlement includes Lexus?s agreement to provide a Customer Support Program for certain…
23LE01 · Service Bulletin/Repair Instructions · issued Feb 9, 2023
TSB: Some 2013 ? 2020 model year Lexus vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2)…
LSB000523 · Service Bulletin/Repair Instructions · issued Feb 9, 2023
TSB: Some 2016 ? 2022 model year RX 350 vehicles may exhibit a droning noise from the exhaust system at takeoff or under light acceleration. Countermeasure parts are available to reduce the droning noise. Follow the…
LSB000323 · Service Bulletin/Repair Instructions · issued Feb 2, 2023
OBSOLETE NOTICE February 02, 2023: This bulletin is now obsolete. Please see L-SB-0003-23.
LSB000318 · Service Bulletin/Repair Instructions · issued Feb 2, 2023
TI: 19LE05 Expired December 1, 2022
KLG Technical In · Service Bulletin/Repair Instructions · issued Dec 1, 2022
DP: Limited Service Campaign KLG expired December 01, 2022
KLG Dealer Packa · Service Bulletin/Repair Instructions · issued Dec 1, 2022
TI: 19LE05 Expired December 1, 2022
19LE05 Technical · Service Bulletin/Repair Instructions · issued Dec 1, 2022
DP: Customer Support Program 19LE05 expired December 1, 2022.
19LE05 Dealer Pa · Service Bulletin/Repair Instructions · issued Dec 1, 2022
TSB: Some 2017 ? 2022 model year RX 350 and RX 450h vehicles may exhibit water leaking from the moon roof when going through a high-pressure rinse cycle car wash. In most cases, a small amount of water is either missing…
L-SB-0033-22 · Service Bulletin/Repair Instructions · issued Aug 1, 2022
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2017 Lexus RX350 has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2017 Lexus RX350?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 9,700 miles — budget accordingly if the car is approaching that mileage.